Wednesday, August 5, 2009


One of the staples of truly ambient music is the drone.

For a while now I've been listening to ambient/drone music while I fall asleep. I was curious how a random drone would sound. I fired up Plogue's Bidule and got to hacking.

What I wound up with uses 3 notes (here A, D and F). I feed the frequencies of those three notes into sine wave generators. These sine wave generators each are then modulated by randomly triggered amplitude envelopes.

Because I wanted the ability to "play" some high frequency drones on top of the lower frequency bass line I added an overtone of each of the notes with its own random envelope and mixed these now 6 sound sources together. The performance aspect of this was just me moving sliders around on the mixer to select the random sources. (Bidule v. 0.9685UB file: threenote-sine-drone.bidule)

The result is "Randrone." Enjoy...

This leads me to a thought I had (which I'm sure is not novel)... much of music is hierarchical, whole notes, 1/2 notes, 1/4 notes, etc. At least in the time domain. I wonder if creating notes in a fractal sort of way is noticable?

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